Storage tank
$1,600–$2,400Typical cost, including installation
WATER HEATER REPLACEMENT IN LEXINGTON
Lexington Water Heater
Replacement
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See what replacement costs ↓LEXINGTON AT A GLANCE
Replacing a water heater in Lexington.
In Lexington, plumbing and gas permits are accepted only online through OpenGov/ViewPoint Cloud and go to licensed plumbers and gas fitters. Since September 2022, each permit for a one- or two-family home costs $60 for the first fixture. Eversource supplies electricity, National Grid supplies gas, and the town is on soft MWRA water.
- Permit to replace with the same type
- Yes · Town of Lexington Building Office (Department of Land Use, Health and Development)
- Permit fee
- Plumbing and gas permits for one- and two-family homes: $60 for the first fixture plus $15 for each additional one (approved by the Select Board May 23, 2022, effective September 1, 2022). Every permit costs at least $40.
- Who gets the permit
- In Lexington, the plumbing permit goes to a licensed plumber and the gas permit to a licensed gas fitter, never an apprentice, as state rules require. No homeowner permit turned up.
- Electric utility
- Eversource
- Gas utility
- National Grid
- Water
- Town of Lexington DPW Water Division, supplied by MWRA · Soft: MWRA water is about 16 mg/L (about 1 grain per gallon).
- Rebate worth checking
- Mass Save heat pump water heater rebate (Active)
- Typical home
- Built 1965 (median) · 81% owner-occupied
- Companies found
- 12 that advertise water heater work
01 / TYPICAL PRICES
What a new water heater costs.
Know before you call.
Heat-pump tank
$2,500–$5,000Typical cost, including installation
Tankless
$2,400–$5,400Typical cost, including installation
AI equipment illustrations; models vary and images are not to scale. Typical national prices from Home Depot ↗, checked September 28, 2026. The source doesn’t say how many jobs the ranges are based on. These are not Lexington averages or guaranteed quotes.
Compare what each quote includes.Equipment · Labor · Permits · Old heater removalHow to compare quotes →
What we know about prices in Lexington
- National installer’s published rangeThe ranges above. Home Depot ↗
- Local permit feePlumbing and gas permits for one- and two-family homes: $60 for the first fixture plus $15 for each additional one (approved by the Select Board May 23, 2022, effective September 1, 2022). Every permit costs at least $40.. Town of Lexington Building Office (Department of Land Use, Health and Development) fee source ↗
- Local company’s advertised price3 of the companies listed for Lexington post water heater prices or specials on their websites: Cranney Home Services, Landry Mechanical, Vaughan Plumbing & Heating. Each offer has its own conditions.
- Measured local dataNot collected yet, so no Lexington average is shown.
02 / COMPANIES WE FOUND
Who replaces water heaters in Lexington?
Companies that advertise water heater replacement here, with what their water heater customers say.
Companies we found in our research. They are not Ember & Tank providers or partners. We show selected reviews, not a rating or every review. How we choose reviews →
128 Plumbing, Heating, Cooling & Electric
Lists Lexington among the areas it serves. Based in Wakefield.
- Tank
- Tankless
- Repair
- Emergency service
What the reviews say
Water heater feedback The reviewer praised a prompt next-day estimate and a technician who explained options, pricing and scheduling.
Worth knowing No water heater complaints found in the sources checked.
1 water heater review read, checked September 30, 2026.
Accurate Baker Elman
Lists Lexington among the areas it serves. Based in Franklin (second office in Newton).
- Tankless
- Repair
- Emergency service
What the reviews say
Water heater feedback Yelp reviewers praised quick same-day or next-day replacement of failed tanks, tidy installers and a tankless installation they said came in below competitors' quotes.
Worth knowing One Yelp reviewer (John H., 2019) complained about long booking waits and 'graduated scale' warranty pricing on a water heater replacement; no company response was visible.
5 water heater reviews read, checked September 30, 2026.
Ace Hardware Home Services (Boston office)
Lists Lexington among the areas it serves. Based in Billerica.
- Tank
- Tankless
- Repair
- Emergency service
What the reviews say
Water heater feedback Yelp reviewers praised a same-day emergency tankless installation and punctual, well-explained maintenance that included a hot water heater.
Worth knowing No water heater complaints found in the sources checked.
2 water heater reviews read, checked September 30, 2026.
Belanger & Sons LLC
Lists Lexington among the areas it serves. Based in Wilmington.
- Tank
- Tankless
- Repair
- Emergency service
What the reviews say
Water heater feedback Reviewers praised owner Steve's fast response, next-day or same-day replacements of leaking or failing heaters, and follow-up after installation.
Worth knowing No water heater complaints found in the sources checked.
3 water heater reviews read, checked September 30, 2026.
Cranney Home Services
Lists Lexington among the areas it serves. Based in Danvers.
- Tank
- Tankless
- Heat pump
- Repair
- Emergency service
Published price: Offer: $100 Off water heater install (see offer details on site). No installed prices published.
What the reviews say
Water heater feedback One Yelp reviewer (2024) praised a technician arriving within 30 minutes and courteous staff who explained everything up front on a water heater repair.
Worth knowing Yelp reviewers alleged high quotes for water heater replacement (e.g.
5 water heater reviews read, checked September 30, 2026.
Damaso Plumbing & Heating Inc
Lists Lexington among the areas it serves. Based in Burlington.
- Tank
- Tankless
- Repair
- Emergency service
What the reviews say
Water heater feedback Yelp reviewers praised quick response in emergencies (including a blizzard), next-day tank replacement, fair pricing and follow-up to confirm the heater was working.
Worth knowing No water heater complaints found in the sources checked.
4 water heater reviews read, checked September 30, 2026.
Landry Mechanical
Lists Lexington among the areas it serves. Based in Millbury (Framingham location at 763 Waverly St unit 32).
- Tank
- Tankless
- Repair
- Emergency service
Published price: Coupon: $75 off tank-type water heater installs or $125 off tankless water heater installs (present at time of sale; not combinable).
What the reviews say
Water heater feedback Reviewers praised fast response (including weekend and next-day replacements), manufacturer-warranty coordination on tankless and hybrid units, and technicians who explained options.
Worth knowing A BBB reviewer (DR.
6 water heater reviews read, checked September 30, 2026.
Minuteman Plumbing, Heating & Cooling
Lists Lexington among the areas it serves. Based in Cambridge.
- Tank
- Tankless
- Repair
- Emergency service
What the reviews say
Water heater feedback Angi reviewers praised same-day response, replacements finished within a few hours, fair pricing (including for a weekend emergency) and tidy, well-explained work.
Worth knowing No water heater complaints found in the sources checked; one Angi reviewer (Aug 2025) noted a technician arrived later than expected due to an earlier emergency.
5 water heater reviews read, checked September 30, 2026.
Rich Mathews & Son Plumbing (Boston Water Heaters)
Lists Lexington among the areas it serves. Based in Lynnfield.
- Tank
- Tankless
- Repair
What the reviews say
Water heater feedback Yelp reviewers praised quick response, reasonable pricing, permits filed, venting brought to code and tidy installations.
Worth knowing No water heater complaints found in the sources checked.
4 water heater reviews read, checked September 30, 2026.
Sila Heating, Cooling, Plumbing & Electrical (Greater Boston)
Lists Lexington among the areas it serves. Based in Stoneham.
- Tank
- Tankless
- Repair
- Emergency service
What the reviews say
Water heater feedback Yelp reviewers praised a free control adjustment and flat-rate flush (2026), a clear diagnosis of a leaking Bosch tankless unit (2026), and professional water heater and boiler replacements.
Worth knowing Yelp reviewers alleged replacement quotes ($5,400 in 2019; at least $12,000 in 2024) for problems others fixed for $350 and $750, and one (Jan 2026) said National Grid found a significant gas leak at a newly installed water heater's joint the day after installation; no company responses were visible on these.
5 water heater reviews read, checked September 30, 2026.
Also listing Lexington: Vaughan Plumbing & Heating, Dry Air Systems.
Order: companies based in Lexington first, then companies whose water heater reviews we’ve read. Each group is alphabetical. These businesses are not our employees or vetted partners and do not receive requests from Ember & Tank. We haven’t checked their license, insurance or quality of work. Massachusetts eLIPSE license lookup ↗.
FROM COMPANIES SERVING LEXINGTON
Photos of water heater jobs from these companies.
HOMES IN LEXINGTON
What Lexington homes are like.
1965Median year built
65%Built before 1980
81%Owner-occupied
48%Heat with utility gas
83%Single-family homes
About 65% of homes were built before 1980. Older homes often have older venting, smaller closets and shutoff valves that should be checked before install day.
U.S. Census Bureau, American Community Survey ACS 2024 5-year ↗ (2020-2024). Heating fuel is what homes use to heat the house. It often, but not always, matches the water heater’s fuel.
LOCAL CONDITIONS
What’s different in Lexington.
A higher first-fixture fee
Lexington's $60 first-fixture fee (2022) is higher than older schedules in several nearby cities, and you pay it on both the plumbing and the gas permit.
Lexington building, plumbing and gas fees (approved May 23, 2022; effective Sept. 1, 2022) ↗
ENERGY & WATER
Who supplies Lexington homes.
Energy
- Electric: Eversource
- Gas: National Grid
MassDOT Utility Contacts by Municipality: Lexington ↗ · Eversource: Communities we serve ↗
Water
Town of Lexington DPW Water Division, supplied by MWRA: Soft: MWRA water is about 16 mg/L (about 1 grain per gallon).
MWRA 2025 Annual Water Quality Test Results - Full Service communities ↗ · MWRA: FAQ about MWRA tap water (hardness ~16 mg/L, ~1 gpg) ↗
REBATES & CREDITS
Rebates for Lexington homes.
For Eversource and National Grid customers in Lexington. Ask installers for the price before rebates, then check with the program that you qualify.
- Mass Save heat pump water heater rebate ↗Active$750 for an ENERGY STAR heat pump water heater (UEF 3.30, or 2.20 for 120-volt plug-in units), or $1,500 for a split-system model, when replacing an existing electric, propane, natural gas or oil water heater.
- Federal Energy Efficient Home Improvement Credit (25C) ↗EndedCovered improvements made through December 31, 2025.
Checked September 30, 2026. Who qualifies and the conditions: Massachusetts rebates · How to check an incentive.
PERMITS & LICENSING
Permits and licenses in Lexington.
Permits and who issues them
Lexington takes every permit through its OpenGov/ViewPoint Cloud online system. The town's plumbing/gas inspector (781-698-4513) does plumbing and gas inspections.
Lexington has no town contractor license that we found; licensed plumbers and gas fitters get the permits.
Town of Lexington Building Office (Department of Land Use, Health and Development) ↗ · Town of Lexington Building Office ↗ · Lexington building, plumbing and gas fees (approved May 23, 2022; effective Sept. 1, 2022) ↗ · 248 CMR 3.05 Permits and Inspections (LII) ↗
Check the installer’s license
Ask for the license number and search it yourself on the Massachusetts eLIPSE license lookup ↗. A listing on Ember & Tank is not a license check. Massachusetts licensing explained →
NEARBY CITIES
Compare places near Lexington.
| City | Distance | Permit to replace | Fee | Electric |
|---|---|---|---|---|
| Arlington | 4 mi | Required | $30 | Eversource (NSTAR Electric) |
| Waltham | 4 mi | Required | $25 | Eversource (NSTAR Electric) |
| Burlington | 4 mi | Required | $45 | Eversource (NSTAR Electric) |
| Belmont | 4 mi | Required | $30 | Belmont Light (Belmont Municipal Light Department) |
| Winchester | 4 mi | Required | $50 | Eversource |
| Woburn | 5 mi | Required | — | Eversource |
COMMON QUESTIONS
Lexington water heater questions.
How much is a water heater permit in Lexington?
$60 for the first fixture on a home plumbing permit, and the same on a gas permit for a gas unit (effective Sept. 1, 2022).
Lexington building, plumbing and gas fees (approved May 23, 2022; effective Sept. 1, 2022) ↗
How do I apply?
Online through Lexington's OpenGov/ViewPoint Cloud system. Permits go to licensed plumbers and gas fitters.
Town of Lexington Building Office ↗ · 248 CMR 3.05 Permits and Inspections (LII) ↗
More guides: Massachusetts water heater replacement · All local guides